Tetraborate
四硼酸盐
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
The wise man knows he knows nothing,the fool thinks the knows all.
聪明人自认一无所知，愚笨人自负无所不晓。
Well, you know I'm going to England next week for a holiday?
嗯，你知道下周我就要回英国度假吗？